<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        html, body {
            margin: 0px;
            padding: 0px;
        }

        #head, #footer {
            width: 100%;
            height: 60px;
            background-color: antiquewhite;
        }
        #head{
            margin-bottom: 3px;
        }

        #footer {
            background-color: #CCCCCC;
            margin-top: 3px;
        }

        #content {
            width: 960px;
            height: 503px;
            margin: auto;
        }

        #content_01, #content_02 {
            width: 960px;
            height: 250px;
        }


        #content_01_left,#content_01_right{
            width: 478px;
            height: 250px;
            background-color: black;
            float: left;
            margin-bottom: 3px;
        }

        #content_01_right {
            margin-left: 4px;
            background-color: burlywood;

        }

        #content_02_left,#content_02_middle,#content_02_right{
            width: 317px;
            height: 250px;
            background-color: antiquewhite;
            float: left;
        }
        #content_02_middle{
            background-color:indianred;
            margin-left: 4px;
            margin-right: 5px;
        }
        #content_02_right{
            background-color: aqua;
        }
    </style>
</head>
<body>
<div id="head"></div>
<div id="content">
    <!--内容第一部分-->
    <div id="content_01">
        <div id="content_01_left"></div>
        <div id="content_01_right"></div>
    </div>
    <!--内容第二部分-->
    <div id="content_02">
        <div id="content_02_left"></div>
        <div id="content_02_middle"></div>
        <div id="content_02_right"></div>

    </div>


</div>
<div id="footer"></div>
</body>
</html>